Chesapeake Energy (CHK)

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, LaRoche Petroleum Consultants, Ltd. hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-30478, 333-52668, 333-67734, 333-67740, 333-109162, 333-118312, 333-126191, 333-135949 333-143990, 333-151762 and 333-157504), Form S-3 (File Nos. 333-142720, 333-151010, 333-151011, 333-155754, 333-156979) and Form S-4 (File No. 333-155755) of Chesapeake Energy Corporation of all references to our firm’s name and audit of portions of Chesapeake’s Energy Corporation’s proved natural gas and oil reserves estimates as of December 31, 2008, as described in our letter to Chesapeake Energy Corporation dated February 6, 2009 included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about March 2, 2009.

Dallas, Texas

February 27, 2009

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, Netherland, Sewell & Associates hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-30478, 333-52668, 333-67734, 333-67740, 333-109162, 333-118312, 333-126191, 333-135949 333-143990, 333-151762 and 333-157504), Form S-3 (File Nos. 333-142720, 333-151010, 333-151011, 333-155754, 333-156979) and Form S-4 (File No. 333-155755) of Chesapeake Energy Corporation of all references to our firm’s name and audit of portions of Chesapeake’s Energy Corporation’s proved natural gas and oil reserves estimates as of December 31, 2008, as described in our letter to Chesapeake Energy Corporation dated February 4, 2009, included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about March 2, 2009.

Dallas, Texas

March 1, 2009

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, Data & Consulting Services Division of Schlumberger Technology Corporation hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-30478, 333-52668, 333-67734, 333-67740, 333-109162, 333-118312, 333-126191, 333-135949 333-143990, 333-151762 and 333-157504), Form S-3 (File Nos. 333-142720, 333-151010, 333-151011, 333-155754, 333-156979) and Form S-4 (File No. 333-155755) of Chesapeake Energy Corporation of all references to our firm’s name and audit of portions of Chesapeake’s Energy Corporation’s proved natural gas and oil reserves estimates as of December 31, 2008, as described in our letter to Chesapeake Energy Corporation dated February 5, 2009, included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about March 2, 2009.

DATA & CONSULTING SERVICES

DIVISION OF SCHLUMBERGER TECHNOLOGY CORPORATION

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, Data & Consulting Services Division of Schlumberger Technology Corporation hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-46129, 333-30478, 333-52668, 333-67734, 333-67740, 333-109162, 333-118312, 333-118325, 333-126191, 333-135949 and 333-143990) and Form S-3 (File Nos. 333-130196 and 333-142720) of Chesapeake Energy Corporation of information from our reserve report dated 22 February, 2008, entitled “Reserve and Economic Evaluation of Proved Reserves of Certain Chesapeake Energy Corporation Oil & Gas Properties As of 31 December 2007 ” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about February 28, 2008.

DATA & CONSULTING SERVICES

DIVISION OF SCHLUMBERGER TECHNOLOGY CORPORATION

February 28, 2008

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, LaRoche Petroleum Consultants, Ltd. hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-46129, 333-30478, 333-52668, 333-67734, 333-67740, 333-109162, 333-118312, 333-118325, 333-126191, 333-135949 and 333-143990) and Form S-3 (File Nos. 333-130196 and 333-142720) of Chesapeake Energy Corporation of information from our reserve report dated February 19, 2008, entitled “Estimate of Reserves and Future Cash Flow to the Chesapeake Energy Corporation Interest in certain properties located in various Arkoma and Sahara Regions as of December 31, 2007, Prepared in Accordance with Securities and Exchange Commission Guidelines” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about February 28, 2008.

Dallas, Texas

February 28, 2008

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, Netherland, Sewell & Associates hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-46129, 333-30478, 333-52668, 333-67734, 333-67740, 333-109162, 333-118312, 333-118325, 333-126191, 333-135949 and 333-143990) and Form S-3 (File Nos. 333-130196 and 333-142720) of Chesapeake Energy Corporation of information from our reserve report dated February 27, 2008, entitled “Estimate of Reserves and Future Revenue to the Chesapeake Energy Corporation Interest in Certain Oil and Gas Properties located in Louisiana, New Mexico, Oklahoma and Texas as of December 31, 2007, based on Constant Prices and Costs in accordance with U.S. Securities and Exchange Commission Guidelines” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about February 28, 2008.

Dallas, Texas

February 28, 2008

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, Data & Consulting Services Division of Schlumberger Technology Corporation hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-46129, 333-30478, 333-52668, 333-52666, 333-67734, 333-67736, 333-67740, 333-109162, 333-118312, 333-118325, 333-126191 and 333-135949) and Form S-3 (File Nos. 333-116461, 333-125682, 333-130196, 333-132261, 333-132262, 333-138966 and 333-139053) of Chesapeake Energy Corporation of information from our reserve report dated February 26, 2007, entitled “Reserve and Economic Evaluation of Proved Reserves of Certain Chesapeake Energy Corporation Oil & Gas Properties As of 31 December 2006 “ and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about February 28, 2007.

DATA & CONSULTING SERVICES

DIVISION OF SCHLUMBERGER TECHNOLOGY CORPORATION

February 26, 2007

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, LaRoche Petroleum Consultants, Ltd. hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-46129, 333-30478, 333-52668, 333-52666, 333-67734, 333-67736, 333-67740, 333-109162, 333-118312, 333-118325, 333-126191 and 333-135949) and Form S-3 (File Nos. 333-116461, 333-125682, 333-130196, 333-132261, 333-132262, 333-138966 and 333-139053) of Chesapeake Energy Corporation of information from our reserve report dated February 22, 2007, entitled “Chesapeake Energy Corporation Interest in certain properties located in the United States as of December 31, 2006, Prepared in Accordance with Securities and Exchange Commission Guidelines” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about February 28, 2007.

February 26, 2007

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, Netherland, Sewell & Associates hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-46129, 333-30478, 333-52668, 333-52666, 333-67734, 333-67736, 333-67740, 333-109162, 333-118312, 333-118325,333-126191 and 333-135949) and Form S-3 (File Nos. 333-116461, 333-125682, 333-130196, 333-132261, 333-132262, 333-138966 and 333-139053) of Chesapeake Energy Corporation of information from our reserve report dated February 23, 2007, entitled “Estimate of Reserves and Future Revenue to the Chesapeake Energy Corporation Interest in Certain Oil and Gas Properties located in the United States as of December 31, 2006, based on Constant Prices and Costs in accordance with Securities and Exchange Commission Guidelines” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about February 28, 2007.

Dallas, Texas

February 27, 2007

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, Schlumberger Data & Consulting Services hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-27525, 333-07255, 333-30324, 333-46129, 333-30478, 333-52668, 333-52666, 333-67734, 333-67736, 333-67740, 333-109162, 333-118312, 333-118325 and 333-126191), Form S-3 (File Nos. 333-104394, 333-116461, 333-125682, 333-130196, 333-132261 and 333-132262), and Form S-4 (File Nos. 333-128453 and 333-132263) of Chesapeake Energy Corporation of information from our reserve report dated February 27, 2006, entitled “Estimate of Reserves and Future Revenue to the Chesapeake Energy Corporation Interest in Certain Oil and Gas Properties located in the United States as of December 31, 2005, Based on Constant Prices and Costs in accordance with Securities and Exchange Commission Guidelines” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about March 13, 2006.

March 10, 2006

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, Laroche Petroleum Consultants, Ltd. hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-27525, 333-07255, 333-30324, 333-46129, 333-30478, 333-52668, 333-52666, 333-67734, 333-67736, 333-67740, 333-109162, 333-118312, 333-118325 and 333-126191), Form S-3 (File Nos. 333-104394, 333-116461, 333-125682, 333-130196, 333-132261 and 333-132262), and Form S-4 (File Nos. 333-128453 and 333-132263) of Chesapeake Energy Corporation of information from our reserve report dated February 27, 2006, entitled “Chesapeake Energy Corporation Interest in certain properties located in Oklahoma as of December 31, 2005, Prepared in Accordance with Securities and Exchange Commission Guidelines” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about March 13, 2006.

March 10, 2006

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As independent oil and gas consultants, Netherland, Sewell & Associates hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-27525, 333-07255, 333-30324, 333-46129, 333-30478, 333-52668, 333-52666, 333-67734, 333-67736, 333-67740, 333-109162, 333-118312, 333-118325 and 333-126191), Form S-3 (File Nos. 333-104394, 333-116461, 333-125682, 333-130196, 333-132261 and 333-132262), and Form S-4 (File Nos. 333-128453 and 333-132263) of Chesapeake Energy Corporation of information from our reserve report dated February 27, 2006, entitled “Estimate of Reserves and Future Revenue to the Chesapeake Energy Corporation Interest in Certain Oil and Gas Properties located in the United States as of December 31, 2005, Based on Constant Prices and Costs in accordance with Securities and Exchange Commission Guidelines” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about March 13, 2006.

/s/ NETHERLAND, SEWELL & ASSOCIATES, INC.

Dallas, Texas

March 10, 2006